PKCS #1, which stands for "Public-Key Cryptography Standards #1," is a standard that defines the format for public and private keys used in the RSA cryptographic algorithm. Developed by RSA Data Security, PKCS #1 was first published in 1993 and has been updated several times since. The key aspects of PKCS #1 include: 1. **Key Formats**: PKCS #1 specifies how to encode RSA public and private keys in a standardized way using ASN.
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